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Mercury QA/QC batch results, Oct 2001

Machine-extracted title · confidence 95%

Laboratory data entry form recording quality assurance and control results for mercury analysis batches in October 2001.

NYC-WTC_000064232–000064245

Folder label: “Hg

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Scanned page image, NYC-WTC_000064241
OCR text

OCR status: ok · source: pdftotext

NYC 9/11 Public Portal Document

Westchester county labs Folder: RUNSl Page 41 Protocol: hg-cv ***POST-RUN REPORT*** Line Cone. Units SD/RSD 1 2 3 4 5

*■**

ID: 25604 Seq: 293 14:59:18 19 Oct 01 HG

Hg PPb .000 .024

*** Sample^ID: 25605 Seq: 294 15:01:27 19 Oct 01 HG

Hg .065 PPb .000 .065

*** Sample ID: Seq: 295 15:03:09 19 Oct 01 HG np 1:4 Hg 4.39 .000 4.39

*** Check S Ck21.0 qc Seq: 296 15:04:48 19 Oct 01 HG Line Flag ( 'ound True Units SD/RSD Hg 1.05 1.00 ppb .000

*** Sample ID:\25004d Seq: 297 15:07:05 19 Oct 01 HG np 1:4 Hg 4.32 .000 4.32

Sample ifk 25004 spk Seq: 298 15:09:01 19 Oct 01 HG np 1:4 Hg 4.16 .000 4.16

*** Check S!t4^ard': 2 Ck21.0 qc Seq: 299 15:13:34 19 Oct 01 HG Line Flag ( Found True Units SD/RSD Hg 1.04 1.00 ppb .000

*** Sample ID\ 25004 spk Seq: 300 15:15:10 19 Oct 01 HG np 1:4 Hg 9.72 .000 9.72

*** sample ID: >25378 np Seq: 301 15:17:01 19 Oct 01 HG

Hg .012 PP^ .000 .012

*** Sample ID: 25379 np Seq: 302 15:18:37 19 Oct 01 HG

Hg .020 .000 .020

*** Sample ID: \2538b np Seq: 303 15:20:15 19 Oct 01 HG

Hg .011 ppb .000 .011

*** Sample IDx 25381 np Seq: 304 15:22:22 19 Oct 01 HG

Hg .009 ppi .000 .009

*** Sample ID:\25382 np Seq: 305 15:24:43 19 Oct 01 HG

Hg .117 ppb .000 .117

NYC-WTC_000064241

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NYC-WTC_000064241Source: NYC Law Department, mirrored locally

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